Tag: "spotty" at biology news
Bone, enamel, dentine, milk & saliva share gene family
...tebrates occurs during a time when there is a very spotty
fossil record. Most estimates of the timing are done by molecular clock calculations. The appearance of these mineral tissue genes after the split can shed light on the murky period when creatures developed backbones for internal support, sharp te...
Wisconsin chemists find a new chink in TB's armor
... countries where TB is most common, health care is spotty
and drug supplies are frequently inadequate. Kiessling and her colleagues, working with the support of the National Science Foundation, have detailed the workings of a key enzyme that the bacterium requires to maintain the integrity of its cell walls...
Proven method of bone analysis may clarify human origins
... species with subtly shifting characteristics in a spotty
fossil record. A novel method has been developed that may prove to be a valuable tool in clarifying the picture. In the March 30, 2004 issue of the Proceedings of the National Academy of Sciences , a form of three-dimensional mathematical analysis i...
Pox to pimples; study says acne-like outbreak not vaccinia
...st year to be a bumpy road; it was also especially spotty
for about 10 percent Vanderbilt's vaccinated volunteers who broke out in a curious acne-like rash. "Several of the volunteers said their acne worsened, and we weren't sure it was the vaccine," said Dr. Tom Talbot, an Infectious Diseases fellow and c...